Hydrocyclone gas separator

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 19/00 (2006.01) B01D 17/02 (2006.01) B01D 45/12 (2006.01) B04C 5/02 (2006.01) B04C 5/103 (2006.01) B04C 7/00 (2006.01)

Patent

CA 2234952

A hydrocyclone (2) for separating a combined phase input stream has two nesting truncated downwardly tapering conical members (10, 12) having an annular space (14) therebetween. A tangential inlet (8) leads to the annular space (14) between the cones (10, 12). Alternate embodiments applicable to a hydrocyclone device composed of nesting cylindrical or conical shells forming an annular cyclonic space have passages (39, 41) located on either of the shells (10, 12) to effect an intermediate draw off of a fraction of the flow stream. In addition, a coiled, hollow tube (16) is advantageously situated within the annular space (14) to optimize the flow pattern. Ports (50) may be provided in the hollow tube (16) for removing a gas fraction in counterflow orientation.

Hydrocyclone (2) destiné à séparer un flux d'entrée à phase combinée, qui possède deux éléments (10, 12) emboîtés, tronconiques, à amincissement vers le bas et séparés par un espace annulaire (14). Un orifice d'entrée (8) tangentiel conduit à l'espace annulaire (14) séparant les cônes (10, 12). Dans d'autres modes de réalisation applicables à un dispositif hydrocyclone composé de coques cylindriques ou coniques emboîtées formant un espace cyclonique annulaire, des passages (39, 41) sont situés sur l'une des deux coques (10, 12) pour effectuer une purge intermédiaire d'une fraction du flux. De plus, un tube (16) hélicoïdal creux est avantageusement placé dans l'espace annulaire (14) pour optimiser le modèle de flux. Des orifices d'accès (50) peuvent être ménagés dans le tube creux (16) pour enlever une fraction de gaz s'écoulant à contre-courant.

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